RFR: 8213714: AttachingConnector/attach/attach001 failed due to "bind failed: Address already in use" [v2]

[Alex Menkov]

> The fix updates the tests to use dynamic port launching debuggee and get the listening port from the debugee output

Alex Menkov has updated the pull request incrementally with one additional commit since the last revision:

  Additional code cleanup as requested by reviewer

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/4817/files
  - new: https://git.openjdk.java.net/jdk/pull/4817/files/04114de3..77eb0c1f

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4817&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4817&range=00-01

  Stats: 17 lines in 2 files changed: 0 ins; 12 del; 5 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4817.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4817/head:pull/4817

PR: https://git.openjdk.java.net/jdk/pull/4817